<?php
/**
 * ThinkSNS Action控制器基类
 * @author  liuxiaoqing <liuxiaoqing@zhishisoft.com>
 * @version TS3.0
 */
abstract class Action
{//类定义开始

    // 当前Action名称
    private		$name =  '';
    protected   $tVar =  array();
    protected   $trace = array();
    protected   $templateFile = '';
	protected   $appCssList = array();
    protected   $langJsList = array();

	protected	$site = array();
	protected	$user = array();
	protected	$app = array();
	protected	$mid = 0;
	protected	$uid = 0;

    /**
     * 架构函数 取得模板对
     * @access public
     */
    public function __construct() {

		$this->initSite();
		$this->initUser();
        $this->initApp();
        Addons::hook('core_filter_init_action');
		//控制器初始化
        if(method_exists($this,'_initialize'))
            $this->_initialize();
    }

    /**
     * 站点信息初始化
     * @access private
     * @return void
     */
	private function initSite() {


		//载入站点配置全局变量
		$this->site = model('Xdata')->get('admin_Config:site');

        if($this->site['site_closed'] == 0 && APP_NAME !='admin'){
            //TODO  跳转到站点关闭页面
            $this->page404($this->site['site_closed_reason']); exit();
        }
        
        //检查是否启用rewrite
        if(isset($this->site['site_rewrite_on'])){
            C('URL_ROUTER_ON',($this->site['site_rewrite_on']==1));
        }

        //初始化语言包
        $cacheFile = C('F_CACHE_PATH').'/initSiteLang.lock.php';
        if(!file_exists($cacheFile)){
        	model('Lang')->initSiteLang();
        }

        //LOGO处理
        $this->site['logo_head'] = getSiteLogo($this->site['site_logo_head']);
        $this->site['logo_foot'] = getSiteLogo($this->site['site_logo_foot']);

        //默认登录后首页
        if(intval($this->site['home_page'])){
            $appInfo = model('App')->where('app_id='.intval($this->site['home_page']))->find();
            $this->site['home_url'] = U($appInfo['app_name'].'/'.$appInfo['app_entry']);
        }else{
            $this->site['home_url'] = U('classroom/Index/index');
        }
		
        //网站底部的单页面导航
        $pageCategory = D('Single' , 'admin')->getList();
        $this->assign('pageCategory',$pageCategory);

        //赋值给全局变量
        $GLOBALS['ts']['site'] = $this->site;

        //网站导航
        $GLOBALS['ts']['site_top_nav'] = model('Navi')->getTopNav();
        $GLOBALS['ts']['site_bottom_nav'] = model('Navi')->getBottomNav();
        $GLOBALS['ts']['site_bottom_child_nav'] = model('Navi')->getBottomChildNav($GLOBALS['ts']['site_bottom_nav']);
		if ( !$this->mid ) { 
			//游客导航
			$GLOBALS['ts']['site_guest_nav'] = model('Navi')->getGuestNav();
			$this->assign( 'site_guest_nav' , $GLOBALS['ts']['site_guest_nav'] );
		}
        //获取可搜索的内容列表
        if(false===($searchSelect=S('SearchSelect'))){
            $searchSelect = D('SearchSelect')->findAll();
            S('SearchSelect',$searchSelect);
        }
        
        //网站所有的应用
        $GLOBALS['ts']['site_nav_apps'] = model('App')->getAppList(array('status'=>1,'add_front_top'=>1),9);

        //网站全局变量过滤插件
        Addons::hook('core_filter_init_site');


        $this->assign('site', $this->site);
        $this->assign('site_top_nav', $GLOBALS['ts']['site_top_nav']);
        $this->assign('site_bottom_nav', $GLOBALS['ts']['site_bottom_nav']);
        $this->assign('site_bottom_child_nav',$GLOBALS['ts']['site_bottom_child_nav']);
        $this->assign('site_nav_apps', $GLOBALS['ts']['site_nav_apps']);
        $this->assign('menuList', $searchSelect);

        return true;
	}

    /**
     * 应用信息初始化
     *
     * @access private
     * @return void
     */
    private function initApp() {        
        //是否为核心的应用
        if(in_array(APP_NAME,C('DEFAULT_APPS'))){
            return true;
        }
        
        //加载后台已安装应用列表        
        $GLOBALS['ts']['app'] = $this->app = model('App')->getAppByName(APP_NAME);        
		
        if(empty($this->app) || !$this->app){
        	$this->error('此应用不存在');
        	return false;
        }
        if($this->app['status'] == 0){
        	$this->error('此应用已经关闭');
        	return false;
        }
         Addons::hook('core_filter_init_app');
        return true;
    }

    /**
     * 用户信息初始化
     * @access private
     * @return void
     */
	private function initUser() {
		// 邀请跳转
		if(isset($_GET['invite']) && APP_NAME.'/'.MODULE_NAME!='classroom/Public') {
			//redirect(U('public/Register/index', array('invite'=>t($_GET['invite']))));exit();
			redirect(U('classroom/Public/step2', array('invite'=>t($_GET['invite']))));exit();
		}		
        // 验证登录
        if (model('Passport')->needLogin()) {
            if(defined('LOGIN_URL')){
                redirect(LOGIN_URL);
            }else{
                if(APP_NAME == 'admin' ){
                    if(MODULE_NAME != "Public" && !model('Passport')->checkAdminLogin()){
                        redirect(U('admin/Public/login'));exit();
                    }
                }else{
                    redirect(U('public/Passport/login'));exit(); 
                }
            }
        }


        //判断登录有效期
        /*        
        $activeTime  = cookie('ST_ACTIVE_TIME');
        if($activeTime < time() && APP_NAME != 'admin' && ACTION_NAME !='login'){
            unset($_SESSION['mid']);
            cookie('TSV3_LOGGED_USER',null);
            $this->assign('jumpUrl',U('public/Passport/login'));
            $this->error(L('PUBLIC_TIME_OUT'));exit();
        }else{
            cookie('TSV3_ACTIVE_TIME',time()+60*60*24);
        }*/
        
        //当前登录者uid
		$GLOBALS['ts']['mid'] = $this->mid = intval($_SESSION['mid']);

        //当前访问对象的uid
		$GLOBALS['ts']['uid'] = $this->uid = intval($_REQUEST['uid'] == 0 ? $this->mid : $_REQUEST['uid']);

        // 验证站点访问权限
        // 验证应用访问权限

        // 获取用户基本资料
        $GLOBALS['ts']['user'] = !empty($this->mid) ? $this->user = model('User')->getUserInfo($this->mid) : array();
        
      	if($this->mid != $this->uid) {
      		$GLOBALS['ts']['_user'] = !empty($this->uid) ? model('User')->getUserInfo($this->uid) : array();
      	} else {
      		$GLOBALS['ts']['_user'] = $GLOBALS['ts']['user'];
      	}
        $res=M("zy_teacher")->where("uid=".$this->mid)->find();
	    $GLOBALS['ts']['teacher'] = $res ? 1 :0 ;
		// 未初始化
		$module_arr= array('Register'=>1,'Passport'=>1,'Account'=>1);
		if (0 < $this->mid && 0 == $this->user ['is_init'] && APP_NAME != 'admin' && ! isset ( $module_arr [MODULE_NAME] )) {
			// 注册完成后就开启此功能
			if ($this->user ['is_active'] == '0') {
				U ( 'public/Register/waitForActivation', 'uid=' . $this->mid, true );
			} else {
				$init_config = model ( 'Xdata' )->get ( 'admin_Config:register' );
				if ($init_config ['photo_open']) {
					U ( 'public/Register/step2', '', true );
				}
				if (false && $init_config ['tag_open']) {
					U ( 'public/Register/step3', '', true );
				}
				if ($init_config ['interester_open']) {
					U ( 'public/Register/step4', '', true );
				}
				model ( 'Register' )->overUserInit ( $GLOBALS ['ts'] ['mid'] );
				U ( 'public/Register/index', '', true );
			}
		}
        
        //应用权限判断
        if(!empty($this->app) && $this->app['status'] == 0){
            $this->error('此应用已经关闭');
        }
        if($this->uid>0){
            //当前用户的所有已添加的应用
            // $GLOBALS['ts']['_userApp']  = $userApp =  model('UserApp')->getUserApp($this->uid);
            //当前用户的统计数据
            $GLOBALS['ts']['_userData'] = $userData = model('UserData')->getUserData($this->uid);
            $userCredit = model('Credit')->getUserCredit($this->uid);
            $this->assign('userCredit',$userCredit);		
    		$this->assign('_userData',$userData);
    		$this->assign('_userApp',$userApp);
        }

        // 获取当前Js语言包
        $this->langJsList = setLangJavsScript();
        //获取未读私信消息数量
        $unreadnum=model('Message')->getUnreadMessageCount($this->mid);
        //获取未读的系统消息数量
        $systemnum=D('notify_message')->where('uid='.$this->mid.' and is_read=0')->count();
        //获取评论未读数
        $commentnum=D('ZyComment')->where(array('fid'=>$this->mid,'is_del'=>0,'is_read'=>0))->count();

        $this->assign("unreadnum",$unreadnum);
        $this->assign("systemnum",$systemnum);
        $this->assign("commentnum",$commentnum);
        $this->assign('mid', $this->mid);   //登录者
        $this->assign('uid', $this->uid);   //访问对象
        $this->assign('user', $this->user); //当前登录的人
		
        $this->assign('initNums',model('Xdata')->getConfig('weibo_nums','feed'));
        Addons::hook('core_filter_init_user');
        return true;
	}



	/**
	 * 重设访问对象的用户信息 主要用于重写等地方
     * @return void
	 */
	public function reinitUser($uid=''){
		if(empty($uid) || $this->mid == $uid){
			return true;
		}
		
		$GLOBALS['ts']['uid'] = $_REQUEST['uid']  = $this->uid =	$uid;
		$GLOBALS['ts']['_user'] = model('User')->getUserInfo($this->uid);
		//当前用户的所有已添加的应用
		$GLOBALS['ts']['_userApp']  = $userApp = model('UserApp')->getUserApp($this->uid);
		//当前用户的统计数据
		$GLOBALS['ts']['_userData'] = $userData = model('UserData')->getUserData($this->uid);
		$userCredit = model('Credit')->getUserCredit($this->uid);
		
		$this->assign('uid', $this->uid);	//访问对象
		$this->assign('_userData',$userData);
		$this->assign('_userApp',$userApp);
		$this->assign('userCredit',$userCredit);
	}
    
    /**
     * 魔术方法 有不存在的操作的时候
     * @access public
     * @param string $method 方法名
     * @param array $parms
     * @return mix
     */
    public function __call($method,$parms) {
        if( 0 === strcasecmp($method,ACTION_NAME)) {
            // 检查扩展操作方法
            $_action = C('_actions_');
            if($_action) {
                // 'module:action'=>'callback'
                if(isset($_action[MODULE_NAME.':'.ACTION_NAME])) {
                    $action  =  $_action[MODULE_NAME.':'.ACTION_NAME];
                }elseif(isset($_action[ACTION_NAME])){
                    // 'action'=>'callback'
                    $action  =  $_action[ACTION_NAME];
                }
                if(!empty($action)) {
                    call_user_func($action);
                    return ;
                }
            }
            // 如果定义了_empty操作 则调用
            if(method_exists($this,'_empty')) {
                $this->_empty($method,$parms);
            }else {
                // 检查是否存在默认模版 如果有直接输出模版
                	$this->display();
            }
        }elseif(in_array(strtolower($method),array('ispost','isget','ishead','isdelete','isput'))){
            return strtolower($_SERVER['REQUEST_METHOD']) == strtolower(substr($method,2));
        }else{
            throw_exception(__CLASS__.':'.$method.L('_METHOD_NOT_EXIST_'));
        }
    }

    /**
     * 模板Title
     * @access public
     * @param mixed $input 要
     * @return
     */
    public function setTitle($title = '') {
        Addons::hook('core_filter_set_title', $title);
		$this->assign('_title',$title);
	}

    /**
     * 模板keywords
     * @access public
     * @param mixed $input 要
     * @return
     */
    public function setKeywords($keywords = '') {
        $this->assign('_keywords',$keywords);
    }

    /**
     * 模板description
     * @access public
     * @param mixed $input 要
     * @return
     */
    public function setDescription($description = '') {
        $this->assign('_description',$description);
    }

    /**
     * 模板变量赋
     * @access protected
     * @param mixed $name 要显示的模板变量
     * @param mixed $value 变量的
     * @return void
     */
    public function assign($name,$value='') {
        if(is_array($name)) {
            $this->tVar   =  array_merge($this->tVar,$name);
        }elseif(is_object($name)){
            foreach($name as $key =>$val)
                $this->tVar[$key] = $val;
        }else {
            $this->tVar[$name] = $value;
        }
    }

    /**
     * 魔术方法：注册模版变量
     * @access protected
     * @param string $name 模版变量
     * @param mix $value 变量值
     * @return mixed
     */
    public function __set($name,$value) {
        $this->assign($name,$value);
    }

    /**
     * 取得模板显示变量的值
     * @access protected
     * @param string $name 模板显示变量
     * @return mixed
     */
    protected function get($name) {
        if(isset($this->tVar[$name]))
            return $this->tVar[$name];
        else
            return false;
    }

    /**
     * Trace变量赋值
     * @access protected
     * @param mixed $name 要显示的模板变量
     * @param mixed $value 变量的值
     * @return void
     */
    protected function trace($name,$value='') {
        if(is_array($name))
            $this->trace   =  array_merge($this->trace,$name);
        else
            $this->trace[$name] = $value;
    }

    /**
     * 模板显示
     * 调用内置的模板引擎显示方法
     * @access protected
     * @param string $templateFile 指定要调用的模板文件
     * 默认为空 由系统自动定位模板文件
     * @param string $charset 输出编码
     * @param string $contentType 输出类
     * @return voi
     */
    protected function display($templateFile='',$charset='utf-8',$contentType='text/html') {
        echo $this->fetch($templateFile,$charset,$contentType,true);
    }

    /**
     *  获取输出页面内容
     * 调用内置的模板引擎fetch方法
     * @access protected
     * @param string $templateFile 指定要调用的模板文件
     * 默认为空 由系统自动定位模板文件
     * @param string $charset 输出编码
     * @param string $contentType 输出类
     * @return strin
     */
    protected function fetch($templateFile='',$charset='utf-8',$contentType='text/html',$display=false) {
        $this->assign('appCssList',$this->appCssList);
        $this->assign('langJsList', $this->langJsList);
        Addons::hook('core_display_tpl', array('tpl'=>$templateFile,'vars'=>$this->tVar,'charset'=>$charset,'contentType'=>$contentType,'display'=>$display));
        return fetch($templateFile, $this->tVar, $charset, $contentType, $display);
    }

    /**
     * 操作错误跳转的快捷方
     * @access protected
     * @param string $message 错误信息
     * @param Boolean $ajax 是否为Ajax方
     * @return voi
     */
    protected function error($message,$ajax=false) {
        Addons::hook('core_filter_error_message', $message);
        $this->_dispatch_jump($message,0,$ajax);
    }

    protected function page404($message){
        $this->assign('site_closed',$this->site['site_closed']);
        $this->assign('message',$message);
        $this->display(THEME_PATH.'/page404.html');
    }
    /**
     * 操作成功跳转的快捷方
     * @access protected
     * @param string $message 提示信息
     * @param Boolean $ajax 是否为Ajax方
     * @return voi
     */
    protected function success($message,$ajax=false) {
        Addons::hook('core_filter_success_message', $message);
        $this->_dispatch_jump($message,1,$ajax);
    }

    /**
     * Ajax方式返回数据到客户端
     * @access protected
     * @param mixed $data 要返回的数据
     * @param String $info 提示信息
     * @param boolean $status 返回状态
     * @param String $status ajax返回类型 JSON XML
     * @return void
     */
    protected function ajaxReturn($data,$info='',$status=1,$type='JSON') {
        // 保证AJAX返回后也能保存日志
        if(C('LOG_RECORD')) Log::save();
        $result  =  array();
        $result['status']  =  $status;
        $result['info'] =  $info;
        $result['data'] = $data;
        if(empty($type)) $type  =   C('DEFAULT_AJAX_RETURN');
        if(strtoupper($type)=='JSON') {
            // 返回JSON数据格式到客户端 包含状态信息
            header("Content-Type:text/html; charset=utf-8");
            exit(json_encode($result));
        }elseif(strtoupper($type)=='XML'){
            // 返回xml格式数据
            header("Content-Type:text/xml; charset=utf-8");
            exit(xml_encode($result));
        }elseif(strtoupper($type)=='EVAL'){
            // 返回可执行的js脚本
            header("Content-Type:text/html; charset=utf-8");
            exit($data);
        }else{
            // TODO 增加其它格式
        }
    }

    /**
     * Action跳转(URL重定向） 支持指定模块和延时跳转
     * @access protected
     * @param string $url 跳转的URL表达式
     * @param array $params 其它URL参数
     * @param integer $delay 延时跳转的时间 单位为秒
     * @param string $msg 跳转提示信息
     * @return void
     */
    protected function redirect($url,$params=array(),$delay=0,$msg='') {
        if(C('LOG_RECORD')) Log::save();
        $url    =   U($url,$params);
        redirect($url,$delay,$msg);
    }

    /**
     * 默认跳转操作 支持错误导向和正确跳转
     * 调用模板显示 默认为public目录下面的success页面
     * 提示页面为可配置 支持模板标签
     * @param string $message 提示信息
     * @param Boolean $status 状态
     * @param Boolean $ajax 是否为Ajax方式
     * @access private
     * @return void
     */
    private function _dispatch_jump($message,$status=1,$ajax=false) {
        // 判断是否为AJAX返回
        if($ajax || $this->isAjax()) {
            $data['jumpUrl'] = false;
            if($this->get('jumpUrl')){
                $data['jumpUrl'] = $this->get('jumpUrl');
            }
            $this->ajaxReturn($data,$message,$status);
        }
        // 提示标题
        $this->assign('msgTitle',$status? L('_OPERATION_SUCCESS_') : L('_OPERATION_FAIL_'));
        //如果设置了关闭窗口，则提示完毕后自动关闭窗口
        if($this->get('closeWin'))    $this->assign('jumpUrl','javascript:window.close();');
        $this->assign('status',$status);   // 状态
        empty($message) && ($message = $status==1?'操作成功':'操作失败');
        $this->assign('message',$message);// 提示信息
        //保证输出不受静态缓存影响
        C('HTML_CACHE_ON',false);
        if($status) { //发送成功信息
            // 成功操作后默认停留1秒
            if(!$this->get('waitSecond'))    $this->assign('waitSecond',"2");
            // 默认操作成功自动返回操作前页面
            if(!$this->get('jumpUrl')) $this->assign("jumpUrl",$_SERVER["HTTP_REFERER"]);
            //sociax:2010-1-21
			//$this->display(C('TMPL_ACTION_SUCCESS'));
			$this->display(THEME_PATH.'/success.html');
		}else{
            //发生错误时候默认停留3秒
            if(!$this->get('waitSecond'))    $this->assign('waitSecond',"5");
            // 默认发生错误的话自动返回上页
            if(!$this->get('jumpUrl')) $this->assign('jumpUrl',"javascript:history.back(-1);");
			//sociax:2010-1-21
            //$this->display(C('TMPL_ACTION_ERROR'));

			$this->display(THEME_PATH.'/success.html');
        }
        if(C('LOG_RECORD')) Log::save();
        // 中止执行  避免出错后继续执行
        exit ;
    }

    /**
     * 是否AJAX请求
     * @access protected
     * @return bool
     */
    protected function isAjax() {
        if(isset($_SERVER['HTTP_X_REQUESTED_WITH']) ) {
            if('xmlhttprequest' == strtolower($_SERVER['HTTP_X_REQUESTED_WITH']))
                return true;
        }
        if(!empty($_POST[C('VAR_AJAX_SUBMIT')]) || !empty($_GET[C('VAR_AJAX_SUBMIT')]))
            // 判断Ajax方式提交
            return true;
        return false;
    }
};//类定义结束
